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ronreece

Kitchen Aid wine cooler question?

15 posts in this topic

I have a Kitchen Aid KUWS24RSBS wine cooler that will not get cold.

With the rear panel remove, it appears the compressor and fan are working.

I've got the thermostat set at the coldest position but it's not getting any colder.

Any ideas???

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If the compressor and fan are running. You probably have a sealed system issue. Whether it be a leak or restriction. More often than not that is the case with wine coolers. You should disassemble the inside and look at your frost pattern. I've seen some models that actually have defrost systems like a regular refrigerator. If there is a fan inside make sure it is running. You may need to find the door switch and close it to see the fan run. Typically I just listen for a sound change soon as I close the door to determine if the fan is running.

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It does appear this one does have a defrost system. Definitely, take the cover off inside, and see if the evaporator coil is iced over. A picture of the coil helps.

The heater can be ohmed out and we'll as the bi-metal if you have a blocked up evaporator. The little round bi-metal has to be frosted over to ohm it out though

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Its got to be a sealed system problem. If it wasn't defrosting  there would still be some cooling. Keep in mind with these units when looking for a frost pattern,  if everything is working as it should there will be no frost on the evaporator coil. It just sweats but it won't freeze up. If you do see frost  it will usually be just an inch or two  on the evaporator where the capilary tube attaches and that usually means you have a leak in the system.

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Its got to be a sealed system problem. If it wasn't defrosting there would still be some cooling. Keep in mind with these units when looking for a frost pattern, if everythIng is working as it should there will be no frost on the evaporator coil. It just sweats but it won't freeze up. If you do see frost it will usually be just an inch or two on the evaporator where the capilary tube attaches and that usually means you have a leak in the system.

Well that's my thinking too. The only issue is wine coolers operate at a higher temperature, so most people wouldn't be able to tell the not cooling at all or partial cooling without a thermometer. I think most of the wine coolers I have come across people had set about 50. I'm no wine expert, so I have no idea what wine should be at exactly. It's worth at least looking at the evaporator frost like stated to get the real answer.

Edited by BryanS

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So I figured it out. It's the thermostat.

Here's the new question: how the heck do you get the controller out of the plastic housing box? The knob's off but it looks like the controller is riveted on down inside the box.

Why does everything have to be soooo difficult :)

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You might have to lay it on its back and access it from underneath

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I have the box off the wine cooler at the base. I'm scratching my head how to get the thermostat switch out of the box...

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It's hard to say without seeing it. I've only changed a few, and one of them I changed was misdiagnosed by another technician. The capillary tube that goes from the thermostat is mounted inside the wine cooler behind the panel. You will have to take that off to unhook it and pull it out I believe.

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What makes you think that it's the thermostat? It's running as you stated, which tells me that the thermostat is doing it's job and calling for cooling, but that the unit is just not cooling.

The majority of these that I've ran into have had a leak in the evaporator which is considered a non serviceable part.

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It was not getting below 60 degrees (it used to get down below 50).

I removed the two wire going to the thermostat switch and ran a jumper wire to both ends.

Presto, the compressor and fan turned on (and stayed on, unlike before) and got down to 50 degrees.

Now my question is how to get the dang switch out of the plastic box that it mounted in.

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I have a Kitchen Aid KUWS24RSBS wine cooler that will not get cold.

With the rear panel remove, it appears the compressor and fan are working.

I've got the thermostat set at the coldest position but it's not getting any colder.

Any ideas???

I was only going off of what you said!

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How long did you leave it running with the t-stat wires jumped?

 

If left running for at least two or three hours it should be a lot colder then 50 degrees with nothing to regulate the temp, (I think you have a sealed system/leak problem).

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It took about 15-20 minutes to go from 62 degrees down to 53 degrees. At that point I knew it was working right and disconnected the jumper.

I've ordered a new thermostat switch and am pretty confident that will do the trick.

Just have to figure out how to get the switch out of the box (not the wine cooler itself - I figured that out easily enough).

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Thermostat Part number: AP4319320

Part number: AP4319320

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